Add alwaysShowTitle property and removed the unused import

Author: Horoshev36

lib/draggable_home.dart

@@ -1,6 +1,6 @@
 library draggable_home;
 
-import 'package:flutter/foundation.dart';
+
 import 'package:flutter/material.dart';
 import 'package:rxdart/rxdart.dart';